//
//  luoerVisitorView.swift
//  WeiBoStudy
//
//  Created by luoerliu on 16/5/11.
//  Copyright © 2016年 刘文平. All rights reserved.
//

import UIKit
//定义代理协议
@objc protocol LuoerVisitorViewDelegate:NSObjectProtocol
{
//    定义代理方法
    optional func visitorViewDidClickRegister()
    optional func visitorViewDidClickLogin()
}
class luoerVisitorView: UIView {
//    定义代理属性
    weak var delegate:LuoerVisitorViewDelegate?
    /// 设置访客视图内容
    func setupVisitorInfo(imageName: String, message: String) {
        // 将转轮图片替换
        iconView.image = UIImage(named: imageName)
        
        // 设置messageLabel
        messageLabel.text = message
        
        // 隐藏小房子
        homeView.hidden = true
        
        // 隐藏遮盖
        coverView.hidden = true
    }
    
    /// 转轮旋转动画
    func startRotationAnimation() {
        // 创建核心动画
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = M_PI * 2
        anim.duration = 20
        anim.repeatCount = MAXFLOAT
        
        // 核心动画完成的时候不要移除
        anim.removedOnCompletion = false
        
        // 将核心动画添加到图层上面
        iconView.layer.addAnimation(anim, forKey: nil)
    }
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    // override: 构造函数,看父类有没有和这个一样的构造函数
    override init(frame: CGRect) {
        // 在super.init之前给属性赋值
        // 调用对象方法不能放到super.init之前,在super.init之前,这个对象还没初始化好(创建),对象没创建好是不能调用对象的方法的
//        self.name = ""
        super.init(frame: frame)
        
        prepareUI()
    }
    // 设置UI
    private func prepareUI() {
        // 设置背景颜色
        //        self.backgroundColor = UIColor(red: 232 / 255.0, green: 232 / 255.0, blue: 232 / 255.0, alpha: 1)
        self.backgroundColor = UIColor(white: 237 / 255.0, alpha: 1)
        
        // 将子控件添加进来
        self.addSubview(iconView)
        self.addSubview(coverView)
        self.addSubview(homeView)
        self.addSubview(messageLabel)
        self.addSubview(registerButton)
        self.addSubview(loginButton)
        
        iconView.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        
        // 添加约束(最好只添加一次)
        // 创建的约束都往要约束的view的父控件上面添加
        
        // 转轮
        /// CenterX和父控件的CenterX重合
        // item: 要添加约束的view
        // attribute: 要添加的View的属性
        // toItem: 要参照的view
        // attribute: 要参照View的属性
        // 将约束添加到view上面去
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        /// CenterY和父控件的CenterY重合
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        
        // 遮盖
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: registerButton, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        // 小房子
        // CenterX转轮CenterX
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        // CenterY转轮CenterY
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))
        
        // 消息label
        /// 宽度
        /// 当参照的view为nil时,属性为NSLayoutAttribute.NotAnAttribute
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 240))
        
        // CenterX 和父控件CenterX
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        // Top和转轮底部
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        // 注册按钮
        /// 顶部和label底部
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 左边和label对齐
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        
        /// 宽度
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        
        // 高度
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        // 登录按钮
        /// 顶部和label底部
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 右边和label对齐
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        
        /// 宽度
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        
        // 高度
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
    }
//    注册的点击操作
    func didClickRegister()
    {
       delegate?.visitorViewDidClickRegister!()
    }
//    登录的点击操作
    func didClickLogin()
    {
        delegate?.visitorViewDidClickLogin!()
    }
    // MARK: - 懒加载
    /// 所有的控件
    /// 转轮
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    /// 遮盖视图
    private lazy var coverView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    /// 小房子
    private lazy var homeView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    /// 消息文字
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        
        // 设置label
        label.text = "关注一些人,看看有什么惊喜!"
        label.textColor = UIColor.blackColor()
        label.font = UIFont.systemFontOfSize(16)
        label.textAlignment = NSTextAlignment.Center
        label.numberOfLines = 0
        label.sizeToFit()
        
        return label
    }()
    
    /// 注册按钮
    private lazy var registerButton: UIButton = {
        let button = UIButton()
        
        // 设置
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        button.setTitle("注册", forState: UIControlState.Normal)
        button.addTarget(self, action: "didClickRegister", forControlEvents: UIControlEvents.TouchUpInside)
        
        return button
    }()
    
    /// 登录按钮
    private lazy var loginButton: UIButton = {
        let button = UIButton()
        
        // 设置
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
        button.setTitle("登录", forState: UIControlState.Normal)
        button.addTarget(self, action: "didClickLogin", forControlEvents: UIControlEvents.TouchUpInside)
        return button
    }()
}

